{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x09c992dcf05200cc242c8a9eb66a02a5d191a14a59ae6296ec4012547230e954",
    "signature": "0xcb29fa0ab339b2f16028d0aae3bfddb1364a82c3847ab5f57b670ae72701686e05e4f419eae7771887819421bef5bc56e7f7ac411edfa7cd17b9fc96da8a7d371b",
    "signer": "0x2aEfd63D93E143ED5DF78f99fe3DebDEc6d51088",
    "userId": "466712647"
  }
}